[Rasch] Validating a rating scale

Mohamad Imanian mohamad_imanian at yahoo.com
Wed May 16 11:43:36 EST 2012

Hi All,
I am going to develop a rating scale for assessing the simultaneous interpreting  skills. I have to validate my scale by Rasch Model. The members who have experience in developing a scale and validating it by such a model, please share your valuable experience.
Mohamad Imanian

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